circulin

noun
cir·​cu·​lin | \ ˈsər-kyə-lən How to pronounce circulin (audio) \

Medical Definition of circulin

: an antibiotic consisting of a mixture of polypeptides related to polymyxin that is obtained from a soil bacterium of the genus Bacillus (B. circulans) and is active especially against gram-negative bacteria (as colon bacilli)

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a period when something is suspended

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